I'm designing an html newsletter which runs so far very correct on every email client.
On mobile devices it should stretch to 100% width, which it does so far.
But:
On iphone mail when the mail opens, for a second I see the hundred percent width until then a space on the right gets added. It's always the same spaced space.
I tried reducing my code to the minimum to see what the reason could be. There I found out it could be links, it could be a border. Sometimes it works again and then again not.
Is there some mystery about 100% width on iphone in html newsletters that I didn't yet know about?
Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        <title>Newsletter</title>
        <style type="text/css">
            /* Client-specific Styles */
            #outlook a{padding:0;} /* Force Outlook to provide a "view in browser" button. */
            body{width:100% !important;} .ReadMsgBody{width:100%;} .ExternalClass{width:100%;} /* Force Hotmail to display emails at full width */
            body{-webkit-text-size-adjust:none;} /* Prevent Webkit platforms from changing default text sizes. */
            /* Reset Styles */
            body{margin:0; padding:0;}
            img{border:0; height:auto; line-height:100%; outline:none; text-decoration:none;}
            table td{border-collapse:collapse; margin: 0; padding: 0;}
            #backgroundTable{height:100% !important; margin:0; padding:0; width:100% !important;}
            body { 
                background-color: #EEEDEC; 
                font-family: Arial, sans-serif;
                font-size: 15px;
                line-height: 1.5em;
                font-weight: 100;
                text-align: left;
                width: 100%;
            }
            p {
                margin-bottom: 20px;
            }
            a {
                color: #C5111A;
                font-weight: bold;
            }
            table {
                width: 100%;
                text-align: left;
            }
            img { max-width: 100%; }
            table.outter {
                width: 100%;
                background-color: #fff;
            }
            table.center {
                width: 100%;
                background-color: #fff;
            }
            h2 {
                font-family: Arial, sans-serif;
                font-size: 15px;
                font-weight: 100;
                margin-bottom: 20px;
                height: 30px;
                line-height: 30px;
                color: #fff;
                padding-left: 10px;
                background-color: #C5111A;
                background: #C5111A;
                background: -webkit-gradient(linear, left top, left bottom, from(#c4171d), to(#d6404c));
                background: -webkit-linear-gradient(top, #c4171d, #d6404c);
                background: -moz-linear-gradient(top, #c4171d, #d6404c);
                background: -ms-linear-gradient(top, #c4171d, #d6404c);
                background: -o-linear-gradient(top, #c4171d, #d6404c);
                filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#c4171d,endColorstr=#d6404c); 
                zoom: 1;
                -webkit-border-radius: 3px;
                -moz-border-radius: 3px;
                border-radius: 3px;
            }
        </style>
    </head>
    <body leftmargin="0" marginwidth="0" topmargin="0" marginheight="0" offset="0">
        <center>
            <table border="0" cellpadding="0" cellspacing="0" height="100%" width="100%" id="main">
             <tr>
               <td align="center" valign="top">
                <!-- outter -->
                <table border="0" cellpadding="0" cellspacing="0" width="100%" class="outter">
                <tbody>
                    <!-- BEGINN -->
                    <!-- BOX -->
                    <tr>
                        <td align="center" valign="top">
                            <!-- center -->
                            <table border="0" cellpadding="0" cellspacing="0" width="100%" class="center">
                                <tbody>
                                    <tr>
                                        <td valign="top" >
                                            <!-- box -->
                                            <table border="0" cellspacing="0" width="100%">
                                                <tbody>
                                                    <tr>
                                                        <td valign="top">
                                                            <h2 class="h2">Heading</h2>
                                                           <p>This is a Paragraph</p>
                                                           <a href="http://www.google.de">This is a link</a>
                                                        </td>
                                                    </tr>
                                                </tbody>
                                            </table>
                                            <!-- /box -->
                                        </td>
                                    </tr>   
                                </tbody>
                            </table>
                            <!-- /center -->
                        </td>
                    </tr>
                    <!-- END -->
                </tbody>
            </table>
</td></tr>
         </table>
        </center>
    </body>
</html>
In this provided code 100% width will only work without the anchor.
<body style="min-width: 100%">
fixes the problem.
Ok, I found a working solution:
Just set:
table {
    width: 99%; /* 99.99 % doesn't seem to work */
    margin: 0 auto;
}
To get rid of the very small minimal gap, I just set the background-color the same as my table.
Fixed for now!
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